157142346 has 16 divisors (see below), whose sum is σ = 315360864. Its totient is φ = 52201424.

The previous prime is 157142333. The next prime is 157142351. The reversal of 157142346 is 643241751.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42936 + ... + 46451.

It is an arithmetic number, because the mean of its divisors is an integer number (19710054).

Almost surely, 2^157142346 is an apocalyptic number.

157142346 is an abundant number, since it is smaller than the sum of its proper divisors (158218518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157142346 is a wasteful number, since it uses less digits than its factorization.

157142346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89685.

The product of its digits is 20160, while the sum is 33.

The square root of 157142346 is about 12535.6430229965. The cubic root of 157142346 is about 539.6320607400.

The spelling of 157142346 in words is "one hundred fifty-seven million, one hundred forty-two thousand, three hundred forty-six".